/indra/llwindow/llwindowmesaheadless.cpp
C++ | 78 lines | 36 code | 12 blank | 30 comment | 2 complexity | 73bfc56caa890fcf7ccf70b47a337547 MD5 | raw file
Possible License(s): LGPL-2.1
- /**
- * @file llwindowmesaheadless.cpp
- * @brief Platform-dependent implementation of llwindow
- *
- * $LicenseInfo:firstyear=2001&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
- * $/LicenseInfo$
- */
- #include "linden_common.h"
- #include "indra_constants.h"
- #include "llwindowmesaheadless.h"
- #include "llgl.h"
- #define MESA_CHANNEL_TYPE GL_UNSIGNED_SHORT
- #define MESA_CHANNEL_SIZE 2
- U16 *gMesaBuffer = NULL;
- //
- // LLWindowMesaHeadless
- //
- LLWindowMesaHeadless::LLWindowMesaHeadless(LLWindowCallbacks* callbacks,
- const std::string& title, const std::string& name, S32 x, S32 y, S32 width, S32 height,
- U32 flags, BOOL fullscreen, BOOL clearBg,
- BOOL disable_vsync, BOOL use_gl, BOOL ignore_pixel_depth)
- : LLWindow(callbacks, fullscreen, flags)
- {
- if (use_gl)
- {
- llinfos << "MESA Init" << llendl;
- mMesaContext = OSMesaCreateContextExt( GL_RGBA, 32, 0, 0, NULL );
- /* Allocate the image buffer */
- mMesaBuffer = new unsigned char [width * height * 4 * MESA_CHANNEL_SIZE];
- llassert(mMesaBuffer);
- gMesaBuffer = (U16*)mMesaBuffer;
- /* Bind the buffer to the context and make it current */
- if (!OSMesaMakeCurrent( mMesaContext, mMesaBuffer, MESA_CHANNEL_TYPE, width, height ))
- {
- llerrs << "MESA: OSMesaMakeCurrent failed!" << llendl;
- }
- llverify(gGLManager.initGL());
- }
- }
- LLWindowMesaHeadless::~LLWindowMesaHeadless()
- {
- delete mMesaBuffer;
- OSMesaDestroyContext( mMesaContext );
- }
- void LLWindowMesaHeadless::swapBuffers()
- {
- glFinish();
- }